[IDM techniques using government watch list information, airline reservation records, and aggregated public] record data, could have identified all 19 hijackers of 9/11 terrorists attacks before the attack. (DeRosa Mary, 2004):

The details about these links can be summarized as follows:

&bullet; Watch List Information (Direct Links)

o Khalid Almindhar and Nawaf Alhazmi, both were involved in 9/11 hijacking and were on U.S. government terrorist watch list.

o Ahmed Alghamdi, who hijacked United Airlines (UA) Flight 175, and crashed it into the World Trade Center South Tower, was on an Immigration and Naturalization Service (INS) watch list for illegal or expired visas.

It is noteworthy to specify all three of the above given terrorists used their real names to reserve the flights.

&bullet; Link Analysis (One Degree of Separation)

o Muhammad Atta and Mavan Al shehhi, both hijackers used same contact address for their flight reservations that Khalid Almihdhar used for his flight reservation.

o Salem Alhazmi, used the same contact address on his reservation as Nawaf Alhazmi.

o Majed Moqed used the same frequent flyer number that Khalid Al mindhar used in his reservation.

o Hamza Alghamdi, used the same contact address on his reservation as Ahmed Alghamdi used on his reservation.

o Hani Hanjour, lived with both Nawaf Alhazmi and Khalid Almihdhar, a fact that searches of public records could have revealed.

[p. 6]

By using government watch list information, airline reservation records, and aggregated public record data, link analysis could have identified all 19 September 11 terrorists—for follow-up investigation—before September 11. [FN 16] The links can be summarized as follows:

[p. 7]

Direct Links — Watch List Information

Khalid Almihdhar and Nawaf Alhazmi, both hijackers of American Airlines (AA) Flight 77, which crashed into the Pentagon, appeared on a U.S. government terrorist watch list. Both used their real names to reserve their flights.

Ahmed Alghamdi, who hijacked United Airlines (UA) Flight 175, which crashed into the World Trade Center South Tower, was on an Immigration and Naturalization Service (INS) watch list for illegal or expired visas. He used his real name to reserve his flight.

Link Analysis — One Degree of Separation

Two other hijackers used the same contact address for their flight reservations that Khalid Almihdhar listed on his reservation. These were Mohamed Atta, who hijacked AA Flight 11, which crashed into the World Trade Center North Tower, and Marwan Al Shehhi, who hijacked UA Flight 175.

Salem Alhazmi, who hijacked AA Flight 77, used the same contact address on his reservation as Nawaf Alhazmi.

The frequent flyer number that Khalid Almihdhar used to make his reservation was also used by hijacker Majed Moqed to make his reservation on AA Flight 77.

Hamza Alghamdi, who hijacked UA Flight 175, used the same contact address on his reservation as Ahmed Alghamdi used on his.

Hani Hanjour, who hijacked AA Flight 77, lived with both Nawaf Alhazmi and Khalid Almihdhar, a fact that searches of public records could have revealed.

Anmerkungen

continued from previous page; most formulations are taken from the original, nothing is marked as a citation.